Posted By

o0110o on 10/26/12

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php
color

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Last Edited at 10/26/12 01:29am

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Get the dominant color of any image.

/ Published in: PHP

Point the script to an image and get its dominant color.

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$i = imagecreatefromjpeg("image.jpg");
 
for ($x=0;$x<imagesx($i);$x++) {
    for ($y=0;$y<imagesy($i);$y++) {
        $rgb = imagecolorat($i,$x,$y);
        $r   = ($rgb >> 16) & 0xFF;
        $g   = ($rgb >>  & 0xFF;
        $b   = $rgb & 0xFF;
 
        $rTotal += $r;
        $gTotal += $g;
        $bTotal += $b;
        $total++;
    }
}
 
$rAverage = round($rTotal/$total);
$gAverage = round($gTotal/$total);
$bAverage = round($bTotal/$total);